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  2. Perfect competition - Wikipedia

    en.wikipedia.org/wiki/Perfect_competition

    Perfect competition provides both allocative efficiency and productive efficiency: Such markets are allocatively efficient, as output will always occur where marginal cost is equal to average revenue i.e. price (MC = AR). In perfect competition, any profit-maximizing producer faces a market price equal to its marginal

  3. Lerner index - Wikipedia

    en.wikipedia.org/wiki/Lerner_Index

    the price elasticity of demand for goods produced by the company — the smaller the fluctuations in demand under the influence of prices, the smaller the elasticity and the greater the value of L; the interaction with competitors — the more of them and the larger their size, the less the company's ability to maximize profits and the smaller ...

  4. Bertrand–Edgeworth model - Wikipedia

    en.wikipedia.org/wiki/Bertrand–Edgeworth_model

    He considered the case of strictly convex costs, where marginal cost is increasing in output. Shubik showed that if a Nash equilibrium exists, it must be the perfectly competitive price (where demand equals supply, and all firms set price equal to marginal cost). However, this can only happen if market demand is infinitely elastic (horizontal ...

  5. Profit maximization - Wikipedia

    en.wikipedia.org/wiki/Profit_maximization

    In the real world, it is not easy to achieve profit maximization. The company must accurately know the marginal income and the marginal cost of the last commodity sold because of MR. The price elasticity of demand for goods depends on the response of other companies. When it is the only company raising prices, demand will be elastic.

  6. Supply and demand - Wikipedia

    en.wikipedia.org/wiki/Supply_and_demand

    Supply chain as connected supply and demand curves. In microeconomics, supply and demand is an economic model of price determination in a market.It postulates that, holding all else equal, the unit price for a particular good or other traded item in a perfectly competitive market, will vary until it settles at the market-clearing price, where the quantity demanded equals the quantity supplied ...

  7. Market power - Wikipedia

    en.wikipedia.org/wiki/Market_power

    The graph below depicts the kinked demand curve hypothesis which was proposed by Paul Sweezy who was an American economist. [29] It is important to note that this graph is a simplistic example of a kinked demand curve. Kinked Demand Curve. Oligopolistic firms are believed to operate within the confines of the kinked demand function.

  8. Price elasticity of supply - Wikipedia

    en.wikipedia.org/wiki/Price_elasticity_of_supply

    The concept of elasticity expresses the responsiveness of a value to changes in another (particularly, responsiveness of quantities to prices). An elasticity is the ratio of the percentage change in one value to the percentage change in another. The concept of elasticity applies to demand and supply curves and agents like producers and ...

  9. Total revenue - Wikipedia

    en.wikipedia.org/wiki/Total_revenue

    Price and total revenue have a negative relationship when demand is elastic (price elasticity > 1), which means that increases in price will lead to decreases in total revenue. Price changes will not affect total revenue when the demand is unit elastic (price elasticity = 1). Maximum total revenue is achieved where the elasticity of demand is 1.